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Pethidine, also known as meperidine and sold under the brand name Demerol among others, is a fully synthetic opioid pain medication of the phenylpiperidine class. Synthesized in 1938 as a potential anticholinergic agent by the German chemist Otto Eisleb, its analgesic properties were first recognized by Otto Schaumann while working for IG Farben, in…
The analysis highlights Community, Culture and Applications as prominent areas in the source structure around Pethidine.
Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.
Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.
High-confidence facts extracted from structured source data. Use them as anchors for further research.
Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.
Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.
The extracted context around Pethidine shows recurring relationship patterns in the source. For example, Pethidine → ACSCN, Control, Controlled Substances Act, It, Narcotic, Narcotic Substances, Schedule II, Single Convention, The, United States Another extracted example is Pethidine → CYP450, Due, Epidural, Histamine, IM, IV, N-demethylation, Normeperidine, SC, The. Use these groups to spot repeated connection types before inspecting the individual relationships.
Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.
effects opioids norpethidine due opioid morphine pain also serotonin interactions anticholinergic use addiction cause metabolite administration syndrome severe compared risk
TTTA extracted 96 structured relationships around Pethidine. Examples in this analysis include Pethidine → 3D model (JSmol) → Interactive image and Pethidine → Addiction liability → High. The table shows each extracted connection, where it came from and its confidence.
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Pethidine | 3D model (JSmol) | Interactive image | 1.00 | infobox |
| Pethidine | Addiction liability | High | 1.00 | infobox |
| Pethidine | ATC code | N02AB02 (WHO) | 1.00 | infobox |
| Pethidine | Bioavailability | 50–60% (Oral), 80–90% (Oral, in cases of hepatic impairment) | 1.00 | infobox |
| Pethidine | CAS Number | 57-42-1 Y | 1.00 | infobox |
| Pethidine | ChEBI | CHEBI:6754 | 1.00 | infobox |
| Pethidine | ChEMBL | ChEMBL607 Y | 1.00 | infobox |
| Pethidine | ChemSpider | 3918 | 1.00 | infobox |
| Pethidine | CompTox Dashboard (EPA) | DTXSID9023253 | 1.00 | infobox |
| Pethidine | Dependence liability | High | 1.00 | infobox |
| Pethidine | Drug class | Opioid | 1.00 | infobox |
| Pethidine | DrugBank | DB00454 Y | 1.00 | infobox |
| Pethidine | ECHA InfoCard | 100.000.299 | 1.00 | infobox |
| Pethidine | Elimination half-life | 2.5–4 hours, 7–11 hours (liver disease) | 1.00 | infobox |
| Pethidine | Excretion | Renal | 1.00 | infobox |
| Pethidine | Formula | C15H21NO2 | 1.00 | infobox |
| Pethidine | IUPHAR/BPS | 7221 | 1.00 | infobox |
| Pethidine | KEGG | D08343 Y | 1.00 | infobox |
| Pethidine | Legal status | AU: S8 (Controlled drug) | 1.00 | infobox |
| Pethidine | Legal status | BR: Class A1 (Narcotic drugs) | 1.00 | infobox |
| Pethidine | Legal status | CA: Schedule I | 1.00 | infobox |
| Pethidine | Legal status | DE: Anlage III (Special prescription form required) | 1.00 | infobox |
| Pethidine | Legal status | NZ: Class B | 1.00 | infobox |
| Pethidine | Legal status | UK: Class A | 1.00 | infobox |
| Pethidine | Legal status | US: Schedule II | 1.00 | infobox |
| Pethidine | Legal status | UN: Narcotic Schedule I | 1.00 | infobox |
| Pethidine | Metabolism | Liver: CYP2B6, CYP3A4, CYP2C19, Carboxylesterase 1 | 1.00 | infobox |
| Pethidine | Metabolites | Norpethidine | 1.00 | infobox |
| Pethidine | Metabolites | Pethidinic acid | 1.00 | infobox |
| Pethidine | Metabolites | others | 1.00 | infobox |
The concept neighborhoods around Pethidine bring nearby vocabulary together. In this analysis, examples include Effects, Morphine and Administration. Use the clusters to find adjacent concepts and terminology that may deserve separate research.
For Pethidine, one of the stronger structural bridges in this analysis connects Pethidine with Overview. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.
TTTA analyzes the structure around Pethidine to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Community, Culture & Applications, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.
Source: Wikipedia — Pethidine · EN edition · Analysis: TopicsToTalkAbout